Process for producing sealed container and blank for sealed container
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United States of America Patent
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app pub date -
Nov 24, 2003
filing date -
Feb 5, 2001
priority date (Note) -
Abandoned
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Abstract
A process for producing a sealed container from a tubular blank of square cross section by folding and sealing a container bottom forming portion of the blank to form a flat bottom includes the step of sealing the bottom by collapsing an opening edge part of the container bottom forming portion to a flat form and sealing opposed walls of the collapsed opening edge part as lapped over each other to form a straight bottom seal rib.
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